I have used facebook for 4 years.
I make account 2012.facebook can meet to world and another people that we know. Another point is that he developed messenger.
We can chat with our friends , family member, abroad people and our girl friends and our best friends.the big most profit is that facebook cor.
Developed facebook lite.we can run it on 2g /3g/ 4g and many more.it is available from play store in android.in apple mobile we can download from app store. It is very easy to run.second point is that we can reduce our data pack. I love facebook.